Matt Cutts said, "I went from desk-dwelling computer nerd to the kind of guy who bikes to work — for fun. Even last year, I ended up hiking up Mt. Kilimanjaro, the highest mountain in Africa."
What does he mean by ''ended up hiking''?

• He started biking and after becoming active in sports activities he was able to hike the tallest mountain in Africa.
• He decided this is the end of his sports activities.
• He quit biking and started hiking.
• He likes hiking now.